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Mirrors > Home > ILE Home > Th. List > riotaprop | Unicode version |
Description: Properties of a restricted definite description operator. Todo (df-riota 5730 update): can some uses of riota2f 5751 be shortened with this? (Contributed by NM, 23-Nov-2013.) |
Ref | Expression |
---|---|
riotaprop.0 | |
riotaprop.1 | |
riotaprop.2 |
Ref | Expression |
---|---|
riotaprop |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | riotaprop.1 | . . 3 | |
2 | riotacl 5744 | . . 3 | |
3 | 1, 2 | eqeltrid 2226 | . 2 |
4 | 1 | eqcomi 2143 | . . . 4 |
5 | nfriota1 5737 | . . . . . 6 | |
6 | 1, 5 | nfcxfr 2278 | . . . . 5 |
7 | riotaprop.0 | . . . . 5 | |
8 | riotaprop.2 | . . . . 5 | |
9 | 6, 7, 8 | riota2f 5751 | . . . 4 |
10 | 4, 9 | mpbiri 167 | . . 3 |
11 | 3, 10 | mpancom 418 | . 2 |
12 | 3, 11 | jca 304 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wb 104 wceq 1331 wnf 1436 wcel 1480 wreu 2418 crio 5729 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-io 698 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-10 1483 ax-11 1484 ax-i12 1485 ax-bndl 1486 ax-4 1487 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2121 |
This theorem depends on definitions: df-bi 116 df-3an 964 df-tru 1334 df-nf 1437 df-sb 1736 df-eu 2002 df-clab 2126 df-cleq 2132 df-clel 2135 df-nfc 2270 df-rex 2422 df-reu 2423 df-rab 2425 df-v 2688 df-sbc 2910 df-un 3075 df-in 3077 df-ss 3084 df-sn 3533 df-pr 3534 df-uni 3737 df-iota 5088 df-riota 5730 |
This theorem is referenced by: lble 8705 |
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